Ed
In answer to your question, they are mutually exclusive in that they cannot be a mixture of more than one type. In retrospect, a better placed comma would have made the sentance grammatically better, but I was just trying to achieve the 'chatty, aircrew style' (paraphrasing before someone checks) that I was slated for after my initial post.. .As for Jacko, I note no-one picks him up for claiming that Gib was just about monkeys or Northern Ireland about potatoes. Imagine the thraping I would have received if I had come out with that crap. . .Big Tudor. .My source of information about North Sea oil, a drilling consultant in the North Sea. I rest my case.